11056872515 has 8 divisors (see below), whose sum is σ = 14288881488. Its totient is φ = 8165075040.

The previous prime is 11056872487. The next prime is 11056872557. The reversal of 11056872515 is 51527865011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11056872515 - 2¹⁸ = 11056610371 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85052801 + ... + 85052930.

It is an arithmetic number, because the mean of its divisors is an integer number (1786110186).

Almost surely, 2^11056872515 is an apocalyptic number.

11056872515 is a deficient number, since it is larger than the sum of its proper divisors (3232008973).

11056872515 is a wasteful number, since it uses less digits than its factorization.

11056872515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170105749.

The product of its (nonzero) digits is 84000, while the sum is 41.

The spelling of 11056872515 in words is "eleven billion, fifty-six million, eight hundred seventy-two thousand, five hundred fifteen".